| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Obrocz | city | Poland | 50.60 | 23.03 | 797 | 4096 | |
| Obrowiec | city | Poland | 50.80 | 23.83 | 626 | 12155 | |
| Obsza | city | Poland | 50.32 | 22.97 | 728 | 2819 | |
| Obsza-Zalomy | city | Poland | 50.30 | 22.93 | 731 | 2744 | |
| Obsza-Załomy | city | Poland | 50.30 | 22.93 | 731 | 2744 | |
| Obszańska Wola | city | Poland | 50.32 | 22.92 | 774 | 2893 | |
| Okragle | city | Poland | 50.52 | 22.72 | 646 | 38097 | |
| Okrągłe | city | Poland | 50.52 | 22.72 | 646 | 38097 | |
| Olchowiec | city | Poland | 50.95 | 22.92 | 780 | 3731 | |
| Olchowiec | city | Poland | 50.35 | 22.98 | 692 | 2776 | |
| Olszanka | city | Poland | 50.90 | 23.47 | 908 | 3303 | |
| Olszanka | city | Poland | 50.82 | 22.72 | 790 | 3765 | |
| Orchowiec | city | Poland | 50.98 | 22.95 | 892 | 3717 | |
| Orlow Drewniany | city | Poland | 50.90 | 23.22 | 675 | 5432 | |
| Orlow Murowany | city | Poland | 50.92 | 23.25 | 856 | 4597 | |
| Ornatowice | city | Poland | 50.85 | 23.60 | 748 | 3379 | |
| Orłów Drewniany | city | Poland | 50.90 | 23.22 | 675 | 5432 | |
| Orłów Murowany | city | Poland | 50.92 | 23.25 | 856 | 4597 | |
| Oserduv | city | Poland | 50.43 | 23.98 | 741 | 2602 | |
| Oserdów | city | Poland | 50.43 | 23.98 | 741 | 2602 | |
| Oseredek | city | Poland | 50.43 | 23.17 | 889 | 3438 | |
| Oshchuv | city | Poland | 50.55 | 24.07 | 715 | 2533 | |
| Osiczyna | city | Poland | 50.87 | 23.47 | 807 | 3285 | |
| Ostrzyca | city | Poland | 50.92 | 23.12 | 636 | 7128 | |
| Osuchy | city | Poland | 50.40 | 22.97 | 669 | 2751 | |
| Oszczów | city | Poland | 50.55 | 24.07 | 715 | 2533 |